ALFFLLM·FINANCE

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RAG, Search, and Knowledge Systems

Retrieval-augmented financial systems combine search with generation over filings, news and other sources. This guide focuses on evidence selection, temporal grounding and answer traceability.

How to read this literature

  • Inspect chunking, document versions, retrieval units and the point-in-time corpus.
  • Separate retrieval, reranking and generation measurements instead of relying on one end-to-end score.
  • Check citation support, missing-evidence behavior and sensitivity to conflicting sources.

Read financial QA and reports papers alongside retrieval work to connect evaluation to realistic document tasks.

28 research papers

01

Enhancing Financial Sentiment Analysis via Retrieval Augmented Large Language Models

2023 · International Conference on AI in Finance · Boyu Zhang; Hongyang Yang; Tianyu Zhou; Muhammad Ali Babar; Xiao-Yang Liu

The paper introduces a retrieval-augmented instruction-tuned LLM framework for financial sentiment analysis that significantly outperforms traditional models and general-purpose LLMs by combining targeted fine-tuning with external context retrieval.

02

Financial Report Chunking for Effective Retrieval Augmented Generation

2024 · arXiv.org · Antonio Jimeno-Yepes; Yao You; Jan Milczek; Sebastian Laverde; Ren-Yu Li

The paper demonstrates that structurally aware chunking of SEC financial reports using the Chipper document understanding model significantly improves Retrieval Augmented Generation (RAG) question-answering accuracy and retrieval consistency compared to fixed-size token chunking.

03

AlphaFin: Benchmarking Financial Analysis with Retrieval-Augmented Stock-Chain Framework

2024 · International Conference on Language Resources and Evaluation · Xiang Li; Zhenyun Li; Chen Shi; Yong Xu; Qing Du; Mingkui Tan; Jun Huang; Wei Lin

AlphaFin introduces a comprehensive dataset and the Stock-Chain framework, which combines LoRA-finetuned LLMs with Retrieval-Augmented Generation to achieve state-of-the-art stock trend prediction accuracy and a 30.8% annualized return while providing interpretable financial analysis.

04

OmniEval: An Omnidirectional and Automatic RAG Evaluation Benchmark in Financial Domain

2024 · Conference on Empirical Methods in Natural Language Processing · Shuting Wang; Jiejun Tan; Zhicheng Dou; Ji-Rong Wen

OmniEval introduces an omnidirectional, automatic RAG benchmark for finance using a matrix-based topic-task evaluation framework, multi-agent data generation, and fine-tuned LLM evaluators to reveal significant performance gaps in vertical domain RAG systems.

07

RA-CFGPT: Chinese financial assistant with retrieval-augmented large language model

2024 · Frontiers of Computer Science · Jiangtong Li; Yang Lei; Yuxuan Bian; Dawei Cheng; Zhijun Ding; Changjun Jiang

RA-CFGPT introduces a retrieval-augmented Chinese financial assistant that fine-tunes a large language model on a hybrid knowledge base to improve accuracy, compliance, and risk assessment in financial question answering and document analysis.

08

FinSearchComp: Towards a Realistic, Expert-Level Evaluation of Financial Search and Reasoning

2025 · arXiv.org · Liang Hu; Jianpeng Jiao; Jiashuo Liu; Yanle Ren; Zhoufutu Wen; Kaiyuan Zhang; Xuanliang Zhang; Xiang Gao; Tianci He; Fei Hu; Yali Liao; Zaiyuan Wang; Chenghao Yang; Qianyu Yang; Mingren Yin; Zhiyuan Zeng; Ge Zhang; Xinyi Zhang; Xiying Zhao; Zhenwei Zhu; Hongseok Namkoong; Wenhao Huang; Yuwen Tang

FinSearchComp is an open-source benchmark of 635 expert-annotated questions evaluating LLM agents' ability to perform realistic financial search and reasoning across time-sensitive, historical, and complex investigative tasks.

09

FinDER: Financial Dataset for Question Answering and Evaluating Retrieval-Augmented Generation

2025 · International Conference on AI in Finance · Chanyeol Choi; Jihoon Kwon; Jaeseon Ha; Hojun Choi; Chaewoon Kim; Yongjae Lee; Jy-yong Sohn; Alejandro Lopez-Lira

The paper introduces FinDER, a benchmark dataset of 5,703 expert-annotated query-evidence-answer triplets derived from S&P 500 10-K filings to evaluate Retrieval-Augmented Generation (RAG) systems on ambiguous, real-world financial queries, demonstrating that neural retrievers and LLM-based reranking significantly outperform traditional methods but that factual correctness remains challenging without high-quality context.

12

FinReflectKG: Agentic Construction and Evaluation of Financial Knowledge Graphs

2025 · International Conference on AI in Finance · Abhinav Arun; Fabrizio Dimino; T. Agarwal; Bhaskarjit Sarmah; Stefano Pasquali

FinReflectKG introduces an agentic, reflection-driven framework for constructing large-scale financial knowledge graphs from S&P 100 SEC 10-K filings, achieving superior extraction quality and schema compliance compared to single-pass and multi-pass baselines.

14

Hierarchical Retrieval with Evidence Curation for Open-Domain Financial Question Answering on Standardized Documents

2025 · Annual Meeting of the Association for Computational Linguistics · Jaeyoung Choe; Jihoo Kim; Woohwan Jung

The paper proposes HiREC, a hierarchical retrieval and evidence curation framework that improves open-domain financial question answering on standardized SEC filings by reducing near-duplicate confusion and iteratively filling information gaps, evaluated on the new LOFin benchmark.

15

Metadata-Driven Retrieval-Augmented Generation for Financial Question Answering

2025 · arXiv.org · Michail Dadopoulos; Anestis C. Ladas; Stratos Moschidis; Ioannis C. Negkakis

This paper proposes a metadata-driven multi-stage RAG architecture that leverages LLM-generated metadata for pre-retrieval filtering, contextual chunk embedding, and custom reranking, achieving superior financial question-answering performance on FinanceBench compared to baseline and advanced RAG configurations.

17

Fin-Rag A Rag System for Financial Documents

2025 · International Journal of Innovative Science and Research Technology · K. E. Kannammal; Mr. Anirudh R K; Kuzhali Tamizhiniyal P; Ganishkar G; Adrinath C

Fin-RAG is a multimodal Retrieval-Augmented Generation system for financial documents that combines GPT-4, BERT embeddings, and CoBERT re-ranking to achieve high accuracy in natural language querying of text and image-based financial reports.

18

FinKario: Event-Enhanced Automated Construction of Financial Knowledge Graph

2025 · arXiv.org · Xiang Li; Penglei Sun; Wanyun Zhou; Zikai Wei; Yongqi Zhang; Xiaowen Chu

FinKario introduces an automated, event-enhanced financial knowledge graph and a two-stage graph-based RAG retrieval strategy that significantly outperforms financial LLMs and institutional strategies in stock trend prediction and backtesting accuracy.

19

FinBloom: Knowledge Grounding Large Language Model with Real-time Financial Data

2025 · Knowledge-Based Systems · Ankur Sinha; Chaitanya Agarwal; P. Malo

FinBloom introduces a knowledge-grounding framework using a fine-tuned 7B parameter LLM as a Financial Agent to retrieve real-time structured and textual data, enabling accurate, low-latency responses to dynamic financial queries without relying on traditional dense-vector RAG.

21

Self-explanatory and Retrieval-augmented LLMs for Financial Sentiment Analysis

2025 · ACM Symposium on Applied Computing · Filippo Pallucchini; Xulang Zhang; Rui Mao; Erik Cambria

The paper introduces FLEX, a retrieval-augmented framework that enriches financial sentences with explicit knowledge using LLMs, significantly improving financial sentiment analysis accuracy across zero-shot, few-shot, and fine-tuning settings.

22

FinVault: Benchmarking Financial Agent Safety in Execution-Grounded Environments

2026 · arXiv.org · Zhi Yang; Runguo Li; Qiqi Qiang; Jiashun Wang; Fangqi Lou; Mengping Li; Dongpo Cheng; Rui Xu; Heng Lian; Shuo Zhang; Xiaolong Liang; Xiaoming Huang; Zheng Wei; Zhaowei Liu; Xin Guo; Huacan Wang; Ronghao Chen; Liwen Zhang

FinVault introduces the first execution-grounded security benchmark for financial agents, revealing that state-of-the-art LLMs remain highly vulnerable to semantic and regulatory attacks in sandboxed environments with state-writable databases.

24

AlphaPROBE: Alpha Mining via Principled Retrieval and On-graph biased evolution

2026 · arXiv.org · Taian Guo; Haiyang Shen; Junyu Luo; Binqi Chen; Hongjun Ding; Jinsheng Huang; Luchen Liu; Yun Ma; Ming Zhang

AlphaPROBE introduces a DAG-based framework for alpha mining that uses a Bayesian Factor Retriever and a DAG-aware LLM generator to discover diverse, high-performing factors on Chinese stock markets.